refac: removed ugly multi-line method chaining

internal/infrastructure/persistence/repositories/apiKeyRepository.go

@@ -64,22 +64,24 @@ func (a *APIKeyRepository) list(query *gorm.DB) ([]domainAPIKey.APIKey, error) {
 }
 
 func (a *APIKeyRepository) Revoke(id uint32, at time.Time) error {
-	result := a.db.Model(&entity.APIKey{}).
-		Where("id = ? AND revoked_at IS NULL", id).
-		Update("revoked_at", at)
+	query := a.db.Model(&entity.APIKey{})
+	query = query.Where("id = ? AND revoked_at IS NULL", id)
+	result := query.Update("revoked_at", at)
 	return result.Error
 }
 
 func (a *APIKeyRepository) RevokeAllByUser(userId uint32, at time.Time) error {
-	return a.db.Model(&entity.APIKey{}).
-		Where("user_id = ? AND revoked_at IS NULL", userId).
-		Update("revoked_at", at).Error
+	query := a.db.Model(&entity.APIKey{})
+	query = query.Where("user_id = ? AND revoked_at IS NULL", userId)
+	result := query.Update("revoked_at", at)
+	return result.Error
 }
 
 func (a *APIKeyRepository) TouchLastUsed(id uint32, at time.Time) error {
-	return a.db.Model(&entity.APIKey{}).
-		Where("id = ?", id).
-		Update("last_used_at", at).Error
+	query := a.db.Model(&entity.APIKey{})
+	query = query.Where("id = ?", id)
+	result := query.Update("last_used_at", at)
+	return result.Error
 }
 
 var _ domainAPIKey.Repository = &APIKeyRepository{}